dabledone
Dabledone is when you call old people stupid and also use it to say someone is a brain-dead moron. It’s like giving them a double insult.
My grandpa is a dabledone, he fell off a chair and still didn’t get why it happened.
She called my teacher a dabledone after he gave her a B-
My dog is a dabledone, he eats my shoes and thinks it’s a party.